package handle_configs; # $Id$ use diagnostics; use strict; use common; sub searchstr { # Preceed all characters which are special characters in regexps with # a backslash, so that the returned string used in a regexp searches # a literal occurence of the original string. White space is replaced # by "\s+" # "quotemeta()" does not serve for this, as it also quotes some regular # characters, as the space my ($s) = @_; $s =~ s!([\\/\(\)\[\]\{\}\|\.\$\@\%\*\?#\+\-])!\\$1!g; return $s; } sub read_directives { # Read one or more occurences of a directive my ($lines_ptr, $directive) = @_; my $searchdirective = searchstr($directive); # do not use if_() below because it slow down printerdrake # to the point one can believe in process freeze: map { (/^\s*$searchdirective\s+(\S.*)$/ ? chomp_($1) : ()) } @$lines_ptr; } sub read_unique_directive { # Read a directive, if the directive appears more than once, use # the last occurence and remove all the others, if it does not # occur, return the default value my ($lines_ptr, $directive, $default) = @_; if ((my @d = read_directives($lines_ptr, $directive)) > 0) { my $value = $d[-1]; set_directive($lines_ptr, "$directive $value"); return $value; } else { return $default; } } sub insert_directive { # Insert a directive only if it is not already there my ($lines_ptr, $directive) = @_; my $searchdirective = searchstr($directive); (/^\s*$searchdirective$/ and return 0) foreach @$lines_ptr; push @$lines_ptr, "$directive\n"; return 1; } sub remove_directive { # Remove a directive my ($lines_ptr, $directive) = @_; my $success = 0; my $searchdirective = searchstr($directive); (/^\s*$searchdirective/ and $_ = "" and $success = 1) foreach @$lines_ptr; return $success; } sub comment_directive { # Comment out a directive my ($lines_ptr, $directive, $exactmatch) = @_; my $success = 0; my $searchdirective = searchstr($directive); $searchdirective .= ".*" if !$exactmatch; (s/^\s*($searchdirective)$/#$1/ and $success = 1) foreach @$lines_ptr; return $success; } sub replace_directive { # Replace a directive, if it appears more than once, remove # the additional occurences. my ($lines_ptr, $olddirective, $newdirective) = @_; my $success = 0; $newdirective = "$newdirective\n"; my $searcholddirective = searchstr($olddirective); (/^\s*$searcholddirective/ and $_ = $newdirective and $success = 1 and $newdirective = "") foreach @$lines_ptr; return $success; } sub move_directive_to_version_commented_out { # If there is a version of the directive "commentedout" which is # commented out, the directive "directive" will be moved in its place. my ($lines_ptr, $commentedout, $directive, $exactmatch) = @_; my $success = 0; my $searchcommentedout = searchstr($commentedout); $searchcommentedout .= ".*" if !$exactmatch; (/^\s*#$searchcommentedout$/ and $success = 1 and last) foreach @$lines_ptr; if ($success) { remove_directive($lines_ptr, $directive); (s/^\s*#($searchcommentedout)$/$directive/ and $success = 1 and last) foreach @$lines_ptr; } return $success; } sub set_directive { # Set a directive, replace the old definition or a commented definition my ($lines_ptr, $directive, $full_line) = @_; my $olddirective = $directive; if (!$full_line) { $olddirective =~ s/^\s*(\S+)\s+.*$/$1/s; $olddirective ||= $directive; } my $success = (replace_directive($lines_ptr, $olddirective, $directive) || insert_directive($lines_ptr, $directive)); if ($success) { move_directive_to_version_commented_out($lines_ptr, $directive, $directive, 1); } return $success; } sub add_directive { # Add a directive, replace a commented definition my ($lines_ptr, $directive) = @_; my $success = insert_directive($lines_ptr, $directive); if ($success) { move_directive_to_version_commented_out($lines_ptr, $directive, $directive, 1); } return $success; } 1; lue='user/pterjan/arm64'>user/pterjan/arm64 Mageia Installer and base platform for many utilitiesThierry Vignaud [tv]
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package partition_table; # $Id$

use diagnostics;
use strict;
use vars qw(@ISA %EXPORT_TAGS @EXPORT_OK @important_types @important_types2 @fields2save @bad_types);

@ISA = qw(Exporter);
%EXPORT_TAGS = (
    types => [ qw(type2name type2fs name2type fs2type isExtended isExt2 isThisFs isTrueFS isSwap isDos isWin isFat isFat_or_NTFS isSunOS isOtherAvailableFS isPrimary isRawLVM isRawRAID isRAID isLVM isMountableRW isNonMountable isPartOfLVM isPartOfRAID isPartOfLoopback isLoopback isMounted isBusy isSpecial maybeFormatted isApple isAppleBootstrap isEfi) ],
);
@EXPORT_OK = map { @$_ } values %EXPORT_TAGS;


use common;
use partition_table::raw;
use detect_devices;
use log;

@important_types = ('Linux native', 'Linux swap', 
		    if_(arch() =~ /i.86/, 'Journalised FS: ext3', 'Journalised FS: ReiserFS', 'Journalised FS: JFS', 'Journalised FS: XFS', 'DOS FAT16', 'FAT32'),
			if_(arch() =~ /ia64/, 'Journalised FS: ext3', 'Journalised FS: ReiserFS', 'Journalised FS: XFS', 'FAT32'),
			if_(arch() =~ /x86_64/, 'Journalised FS: ext3', 'Journalised FS: ReiserFS', 'FAT32'),
		    if_(arch() =~ /ppc/, 'Journalised FS: ext3', 'Journalised FS: ReiserFS', 'Journalised FS: JFS', 'Journalised FS: XFS', 'Apple HFS Partition', 'Apple Bootstrap'));
@important_types2 = ('Linux RAID', 'Linux Logical Volume Manager partition');

@fields2save = qw(primary extended totalsectors isDirty will_tell_kernel);

@bad_types = ('Empty', 'DOS 3.3+ Extended Partition', 'Win95: Extended partition, LBA-mapped', 'Linux extended partition');

my %types = (
  0x0 => 'Empty',
if_(arch() =~ /^ppc/, 
  0x183 => 'Journalised FS: ReiserFS',
  0x283 => 'Journalised FS: XFS',
  0x383 => 'Journalised FS: JFS',
  0x483 => 'Journalised FS: ext3',
  0x401	=> 'Apple Partition',
  0x401	=> 'Apple Bootstrap',
  0x402	=> 'Apple HFS Partition',
), if_(arch() =~ /^i.86/,
  0x107 => 'NTFS',
  0x183 => 'Journalised FS: ReiserFS',
  0x283 => 'Journalised FS: XFS',
  0x383 => 'Journalised FS: JFS',
  0x483 => 'Journalised FS: ext3',
), if_(arch() =~ /^ia64/,
  0x100 => 'Various',
  0x183 => 'Journalised FS: ReiserFS',
  0x283 => 'Journalised FS: XFS',
  0x483 => 'Journalised FS: ext3',
), if_(arch() =~ /^x86_64/,
  0x183 => 'Journalised FS: ReiserFS',
  0x483 => 'Journalised FS: ext3',
), if_(arch() =~ /^sparc/,
  0x1 => 'SunOS boot',
  0x2 => 'SunOS root',
  0x3 => 'SunOS swap',
  0x4 => 'SunOS usr',
  0x5 => 'Whole disk',
  0x6 => 'SunOS stand',
  0x7 => 'SunOS var',
  0x8 => 'SunOS home',
), if_(arch() =~ /^i.86/,
  0x1 => 'DOS 12-bit FAT',
  0x2 => 'XENIX root',
  0x3 => 'XENIX /usr',
  0x4 => 'DOS 16-bit FAT (up to 32M)',
  0x5 => 'DOS 3.3+ Extended Partition',
  0x6 => 'DOS FAT16',
  0x7 => 'NTFS (or HPFS)',
  0x8 => 'OS/2 (v1.0-1.3 only) / AIX boot partition / SplitDrive / Commodore DOS / DELL partition spanning multiple drives / QNX 1.x and 2.x ("qny")',
),
  0x9 => 'AIX data partition / Coherent filesystem / QNX 1.x and 2.x ("qnz")',
  0xa => 'OS/2 Boot Manager / Coherent swap partition / OPUS',
  0xb => 'FAT32',
  0xc => 'Win98 FAT32, LBA-mapped',
  0xe => 'Win95: DOS 16-bit FAT, LBA-mapped',
  0xf => 'Win95: Extended partition, LBA-mapped',
  0x10 => 'OPUS (?)',
  0x11 => 'Hidden DOS 12-bit FAT',
  0x12 => 'Compaq/HP config partition',
  0x14 => 'Hidden DOS 16-bit FAT <32M',
  0x16 => 'Hidden DOS 16-bit FAT >=32M',
  0x17 => 'Hidden IFS (e.g., HPFS)',
  0x18 => 'AST Windows swapfile',
  0x1b => 'Hidden WIN95 OSR2 32-bit FAT',
  0x1c => 'Hidden WIN95 OSR2 32-bit FAT, LBA-mapped',
  0x1e => 'Hidden FAT95',
  0x22 => 'Used for Oxygen Extended Partition Table by ekstazya@sprint.ca.',
  0x24 => 'NEC DOS 3.x',
  0x35 => 'JFS (OS/2)',
  0x38 => 'THEOS ver 3.2 2gb partition',
  0x39 => 'THEOS ver 4 spanned partition',
  0x3a => 'THEOS ver 4 4gb partition',
  0x3b => 'THEOS ver 4 extended partition',
  0x3c => 'PartitionMagic recovery partition',
  0x40 => 'Venix 80286',
  0x41 => 'Linux/MINIX (sharing disk with DRDOS) / Personal RISC Boot / PPC PReP (Power PC Reference Platform) Boot',
  0x42 => 'Windows Dynamic Partition',
  0x43 => 'Linux native (sharing disk with DRDOS)',
  0x45 => 'EUMEL/Elan',
  0x46 => 'EUMEL/Elan 0x46',
  0x47 => 'EUMEL/Elan 0x47',
  0x48 => 'EUMEL/Elan 0x48',
  0x4d => 'QNX4.x',
  0x4e => 'QNX4.x 2nd part',
  0x4f => 'QNX4.x 3rd part / Oberon partition',
  0x50 => 'OnTrack Disk Manager (older versions) RO',
  0x51 => 'OnTrack Disk Manager RW (DM6 Aux1) / Novell',
  0x52 => 'CP/M / Microport SysV/AT',
  0x53 => 'Disk Manager 6.0 Aux3',
  0x54 => 'Disk Manager 6.0 Dynamic Drive Overlay',
  0x55 => 'EZ-Drive',
  0x56 => 'Golden Bow VFeature Partitioned Volume. / DM converted to EZ-BIOS',
  0x57 => 'DrivePro',
  0x5c => 'Priam EDisk',
  0x61 => 'SpeedStor',
  0x63 => 'Unix System V (SCO, ISC Unix, UnixWare, ...), Mach, GNU Hurd',
  0x64 => 'PC-ARMOUR protected partition / Novell Netware 2.xx',
  0x65 => 'Novell Netware 3.xx or 4.xx',
  0x67 => 'Novell',
  0x68 => 'Novell 0x68',
  0x69 => 'Novell 0x69',
  0x70 => 'DiskSecure Multi-Boot',
  0x75 => 'IBM PC/IX',
  0x80 => 'MINIX until 1.4a',
  0x81 => 'MINIX since 1.4b, early Linux / Mitac disk manager',
  0x82 => 'Linux swap',
  0x83 => 'Linux native',
  0x84 => 'OS/2 hidden C: drive / Hibernation partition',
  0x85 => 'Linux extended partition',
  0x86 => 'Old Linux RAID partition superblock / NTFS volume set',
  0x87 => 'NTFS volume set',
  0x8a => 'Linux Kernel Partition (used by AiR-BOOT)',
  0x8e => 'Linux Logical Volume Manager partition',
  0x93 => 'Amoeba',
  0x94 => 'Amoeba bad block table',
  0x99 => 'DCE376 logical drive',
  0xa0 => 'IBM Thinkpad hibernation partition / Phoenix NoteBIOS Power Management "Save-to-Disk" partition',
  0xa5 => 'BSD/386, 386BSD, NetBSD, FreeBSD',
  0xa6 => 'OpenBSD',
  0xa7 => 'NEXTSTEP',
  0xa9 => 'NetBSD',
  0xaa => 'Olivetti Fat 12 1.44Mb Service Partition',
  0xb7 => 'BSDI filesystem',
  0xb8 => 'BSDI swap partition',
  0xbe => 'Solaris boot partition',
  0xc0 => 'CTOS / REAL/32 secure small partition',
  0xc1 => 'DRDOS/secured (FAT-12)',
  0xc4 => 'DRDOS/secured (FAT-16, < 32M)',
  0xc6 => 'DRDOS/secured (FAT-16, >= 32M) / Windows NT corrupted FAT16 volume/stripe set',
  0xc7 => 'Windows NT corrupted NTFS volume/stripe set / Syrinx boot',
  0xcb => 'reserved for DRDOS/secured (FAT32)',
  0xcc => 'reserved for DRDOS/secured (FAT32, LBA)',
  0xcd => 'CTOS Memdump?',
  0xce => 'reserved for DRDOS/secured (FAT16, LBA)',
  0xd0 => 'REAL/32 secure big partition',
  0xd1 => 'Old Multiuser DOS secured FAT12',
  0xd4 => 'Old Multiuser DOS secured FAT16 <32M',
  0xd5 => 'Old Multiuser DOS secured extended partition',
  0xd6 => 'Old Multiuser DOS secured FAT16 >=32M',
  0xd8 => 'CP/M-86',
  0xdb => 'Digital Research CP/M, Concurrent CP/M, Concurrent DOS / CTOS (Convergent Technologies OS -Unisys) / KDG Telemetry SCPU boot',
  0xdd => 'Hidden CTOS Memdump?',
  0xe1 => 'DOS access or SpeedStor 12-bit FAT extended partition',
  0xe3 => 'DOS R/O or SpeedStor',
  0xe4 => 'SpeedStor 16-bit FAT extended partition < 1024 cyl.',
  0xeb => 'BeOS',
  0xee => 'EFI GPT',
  0xef => 'EFI (FAT-12/16/32)',
  0xf1 => 'SpeedStor 0xf1',
  0xf2 => 'DOS 3.3+ secondary partition',
  0xf4 => 'SpeedStor large partition / Prologue single-volume partition',
  0xf5 => 'Prologue multi-volume partition',
  0xfd => 'Linux RAID',
  0xfe => 'SpeedStor > 1024 cyl. or LANstep / IBM PS/2 IML (Initial Microcode Load) partition, located at the end of the disk. / Windows NT Disk Administrator hidden partition / Linux Logical Volume Manager partition (old)',
  0xff => 'Xenix Bad Block Table',
);

my %type2fs = (
arch() =~ /^ppc/ ? (
  0x07 => 'hpfs',
) : (
  0x07 => 'ntfs',
),
arch() !~ /sparc/ ? (
  0x01 => 'vfat',
  0x04 => 'vfat',
  0x05 => 'ignore',
  0x06 => 'vfat',
) : (
  0x01 => 'ufs',
  0x02 => 'ufs',
  0x04 => 'ufs',
  0x06 => 'ufs',
  0x07 => 'ufs',
  0x08 => 'ufs',
),
  0x0b => 'vfat',
  0x0c => 'vfat',
  0x0e => 'vfat',
  0x1b => 'vfat',
  0x1c => 'vfat',
  0x1e => 'vfat',
  0x82 => 'swap',
  0x83 => 'ext2',
  0xeb => 'befs',
  0xef => 'vfat',
  0x107 => 'ntfs',
  0x183 => 'reiserfs',
  0x283 => 'xfs',
  0x383 => 'jfs',
  0x483 => 'ext3',
  0x401 => 'apple',
  0x402 => 'hfs',
);

my %types_rev = reverse %types;
my %fs2type = reverse %type2fs;


1;

sub important_types() { 
    my @l = (@important_types, if_($::expert, @important_types2, sort values %types));
    difference2(\@l, \@bad_types);
}

sub type2fs {
    my ($part, $o_default) = @_;
    my $type = $part->{type};
    $type2fs{$type} || $type =~ /^(\d+)$/ && $o_default || $type;
}
sub fs2type { $fs2type{$_[0]} || $_[0] }
sub type2name { $types{$_[0]} || $_[0] }
sub name2type { 
    local ($_) = @_;
    /0x(.*)/ ? hex $1 : $types_rev{$_} || $_;
}

sub isEfi { arch() =~ /ia64/ && $_[0]{type} == 0xef }
sub isWholedisk { arch() =~ /^sparc/ && $_[0]{type} == 5 }
sub isExtended { arch() !~ /^sparc/ && ($_[0]{type} == 5 || $_[0]{type} == 0xf || $_[0]{type} == 0x85) }
sub isRawLVM { $_[0]{type} == 0x8e }
sub isRawRAID { $_[0]{type} == 0xfd }
sub isSwap { type2fs($_[0]) eq 'swap' }
sub isExt2 { type2fs($_[0]) eq 'ext2' }
sub isDos { arch() !~ /^sparc/ && ${{ 1 => 1, 4 => 1, 6 => 1 }}{$_[0]{type}} }
sub isWin { ${{ 0xb => 1, 0xc => 1, 0xe => 1, 0x1b => 1, 0x1c => 1, 0x1e => 1 }}{$_[0]{type}} }
sub isFat { isDos($_[0]) || isWin($_[0]) }
sub isFat_or_NTFS { isDos($_[0]) || isWin($_[0]) || $_[0]{type} == 0x107 }
sub isSunOS { arch() =~ /sparc/ && ${{ 0x1 => 1, 0x2 => 1, 0x4 => 1, 0x6 => 1, 0x7 => 1, 0x8 => 1 }}{$_[0]{type}} }
sub isApple { type2fs($_[0]) eq 'apple' && defined $_[0]{isDriver} }
sub isAppleBootstrap { type2fs($_[0]) eq 'apple' && defined $_[0]{isBoot} }
sub isHiddenMacPart { defined $_[0]{isMap} }

sub isThisFs { type2fs($_[1]) eq $_[0] }
sub isTrueFS { member(type2fs($_[0]), qw(ext2 reiserfs xfs jfs ext3)) }

sub isOtherAvailableFS { isEfi($_[0]) || isFat_or_NTFS($_[0]) || isSunOS($_[0]) || isThisFs('hfs', $_[0]) } #- other OS that linux can access its filesystem
sub isMountableRW { (isTrueFS($_[0]) || isOtherAvailableFS($_[0])) && !isThisFs('ntfs', $_[0]) }
sub isNonMountable { 
    my ($part) = @_;
    isRawRAID($part) || isRawLVM($part) || isThisFs("ntfs", $part) && !$part->{isFormatted} && $part->{notFormatted};
}

sub isPartOfLVM { defined $_[0]{lvm} }
sub isPartOfRAID { defined $_[0]{raid} }
sub isPartOfLoopback { defined $_[0]{loopback} }
sub isRAID { $_[0]{device} =~ /^md/ }
sub isUBD { $_[0]{device} =~ /^ubd/ } #- should be always true during an $::uml_install
sub isLVM { $_[0]{VG_name} }
sub isLoopback { defined $_[0]{loopback_file} }
sub isMounted { $_[0]{isMounted} }
sub isBusy { isMounted($_[0]) || isPartOfRAID($_[0]) || isPartOfLVM($_[0]) || isPartOfLoopback($_[0]) }
sub isSpecial { isRAID($_[0]) || isLVM($_[0]) || isLoopback($_[0]) || isUBD($_[0]) }
sub maybeFormatted { $_[0]{isFormatted} || !$_[0]{notFormatted} }


#- works for both hard drives and partitions ;p
sub description {
    my ($hd) = @_;
    my $win = $hd->{device_windobe};

    sprintf "%s%s (%s%s%s%s)", 
      $hd->{device}, 
      $win && " [$win:]", 
      formatXiB($hd->{totalsectors} || $hd->{size}, 512),
      $hd->{info} && ", $hd->{info}",
      $hd->{mntpoint} && ", " . $hd->{mntpoint},
      $hd->{type} && ", " . type2name($hd->{type});
}

sub isPrimary {
    my ($part, $hd) = @_;
    foreach (@{$hd->{primary}{raw}}) { $part eq $_ and return 1 }
    0;
}

sub adjustStartAndEnd {
    my ($hd, $part) = @_;

    $hd->adjustStart($part);
    $hd->adjustEnd($part);
}

sub verifyNotOverlap {
    my ($a, $b) = @_;
    $a->{start} + $a->{size} <= $b->{start} || $b->{start} + $b->{size} <= $a->{start};
}
sub verifyInside {
    my ($a, $b) = @_;
    $b->{start} <= $a->{start} && $a->{start} + $a->{size} <= $b->{start} + $b->{size};
}

sub verifyParts_ {
    foreach my $i (@_) {
	foreach (@_) {
	    next if !$i || !$_ || $i == $_ || isWholedisk($i) || isExtended($i); #- avoid testing twice for simplicity :-)
	    if (isWholedisk($_)) {
		verifyInside($i, $_) or
		  cdie sprintf("partition sector #$i->{start} (%s) is not inside whole disk (%s)!",
			       formatXiB($i->{size}, 512), formatXiB($_->{size}, 512));
	    } elsif (isExtended($_)) {
		verifyNotOverlap($i, $_) or
		  log::l(sprintf("warning partition sector #$i->{start} (%s) is overlapping with extended partition!",
				 formatXiB($i->{size}, 512))); #- only warning for this one is acceptable
	    } else {
		verifyNotOverlap($i, $_) or
		  cdie sprintf("partitions sector #$i->{start} (%s) and sector #$_->{start} (%s) are overlapping!",
			       formatXiB($i->{size}, 512), formatXiB($_->{size}, 512));
	    }
	}
    }
}
sub verifyParts {
    my ($hd) = @_;
    verifyParts_(get_normal_parts($hd));
}
sub verifyPrimary {
    my ($pt) = @_;
    $_->{start} > 0 || arch() =~ /^sparc/ || die "partition must NOT start at sector 0" foreach @{$pt->{normal}};
    verifyParts_(@{$pt->{normal}}, $pt->{extended});
}

sub assign_device_numbers {
    my ($hd) = @_;

    my $i = 1;
    my $start = 1; 
    
    #- on PPC we need to assign device numbers to the holes too - big FUN!
    #- not if it's an IBM machine using a DOS partition table though
    if (arch() =~ /ppc/ && detect_devices::get_mac_model() !~ /^IBM/) {
	#- first sort the normal parts
	$hd->{primary}{normal} = [ sort { $a->{start} <=> $b->{start} } @{$hd->{primary}{normal}} ];
    
	#- now loop through them, assigning partition numbers - reserve one for the holes
	foreach (@{$hd->{primary}{normal}}) {
	    if ($_->{start} > $start) {
		log::l("PPC: found a hole on $hd->{prefix} before $_->{start}, skipping device..."); 
		$i++;
	    }
	    $_->{device} = $hd->{prefix} . $i;
	    $_->{devfs_device} = $hd->{devfs_prefix} . '/part' . $i;
	    $start = $_->{start} + $_->{size};
	    $i++;
	}
    } else {
	foreach (@{$hd->{primary}{raw}}) {
	    $_->{device} = $hd->{prefix} . $i;
	    $_->{devfs_device} = $hd->{devfs_prefix} . '/part' . $i;
	    $i++;
	}
	foreach (map { $_->{normal} } @{$hd->{extended} || []}) {
	    my $dev = $hd->{prefix} . $i;
	    my $renumbered = $_->{device} && $dev ne $_->{device};
	    if ($renumbered) {
		require fs;
		eval { fs::umount_part($_) }; #- at least try to umount it
		will_tell_kernel($hd, del => $_, 'delay_del');
		push @{$hd->{partitionsRenumbered}}, [ $_->{device}, $dev ];
	    }
	    $_->{device} = $dev;
	    $_->{devfs_device} = $hd->{devfs_prefix} . '/part' . $i;
	    if ($renumbered) {
		will_tell_kernel($hd, add => $_, 'delay_add');
	    }
	    $i++;
	}
    }

    #- try to figure what the windobe drive letter could be!
    #
    #- first verify there's at least one primary dos partition, otherwise it
    #- means it is a secondary disk and all will be false :(
    #-
    #- isFat_or_NTFS isn't true for 0x7 partitions, only for 0x107.
    #- alas 0x107 is not set correctly at this stage
    #- solution: don't bother with 0x7 vs 0x107 here
    my ($c, @others) = grep { isFat_or_NTFS($_) || $_->{type} == 0x7 } @{$hd->{primary}{normal}};

    $i = ord 'C';
    $c->{device_windobe} = chr($i++) if $c;
    $_->{device_windobe} = chr($i++) foreach grep { isFat_or_NTFS($_) || $_->{type} == 0x7 } map { $_->{normal} } @{$hd->{extended}};
    $_->{device_windobe} = chr($i++) foreach @others;
}

sub remove_empty_extended {
    my ($hd) = @_;
    my $last = $hd->{primary}{extended} or return;
    @{$hd->{extended}} = grep {
	if ($_->{normal}) {
	    $last = $_;
	} else {
	    %{$last->{extended}} = $_->{extended} ? %{$_->{extended}} : ();
	}
	$_->{normal};
    } @{$hd->{extended}};
    adjust_main_extended($hd);
}

sub adjust_main_extended {
    my ($hd) = @_;

    if (!is_empty_array_ref $hd->{extended}) {
	my ($l, @l) = @{$hd->{extended}};

	# the first is a special case, must recompute its real size
	my $start = round_down($l->{normal}{start} - 1, $hd->{geom}{sectors});
	my $end = $l->{normal}{start} + $l->{normal}{size};
	my $only_linux = 1; my $has_win_lba = 0;
	foreach (map { $_->{normal} } $l, @l) {
	    $start = min($start, $_->{start});
	    $end = max($end, $_->{start} + $_->{size});
	    $only_linux &&= isTrueFS($_) || isSwap($_);
	    $has_win_lba ||= $_->{type} == 0xc || $_->{type} == 0xe;
	}
	$l->{start} = $hd->{primary}{extended}{start} = $start;
	$l->{size} = $hd->{primary}{extended}{size} = $end - $start;
    }
    if (!@{$hd->{extended} || []} && $hd->{primary}{extended}) {